Home / 4,778.58-6,597.62-2,988.77

Finding the Fourth Proportional to 4,778.58, 6,597.62 and 2,988.77

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Solution

The fourth proportional to 4,778.58, 6,597.62 and 2,988.77 is: 4,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.58 : 6,597.62 = 2,988.77 : x
  2. Step 2: Convert to fraction form
    4,778.58/6,597.62 = 2,988.77/x
  3. Step 3: Cross multiply
    4,778.58x = 6,597.62 × 2,988.77
  4. Step 4: Simplify right side
    4,778.58x = 19,718,732.00
  5. Step 5: Solve for x
    x = 19,718,732.00/4,778.58
  6. Step 6: Final answer
    x = 4,126.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.